CN111603682B

CN111603682B - Improved ear vagus nerve stimulator

Info

Publication number: CN111603682B
Application number: CN202010594614.2A
Authority: CN
Inventors: 官伟; 尤亮; 郝彦伟; 赵帅; 张佳
Original assignee: Shangshou Jinzhong Operative Instrument Jiangsu Co ltd; Jiangsu Yuyue Medical Equipment and Supply Co Ltd; Suzhou Yuyue Medical Technology Co Ltd; Suzhou Medical Appliance Factory; Nanjing Yuyue Software Technology Co Ltd
Current assignee: Shangshou Jinzhong Operative Instrument Jiangsu Co ltd; Jiangsu Yuyue Medical Equipment and Supply Co Ltd; Suzhou Yuyue Medical Technology Co Ltd; Suzhou Medical Appliance Factory; Nanjing Yuyue Software Technology Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2023-10-27
Anticipated expiration: 2040-06-28
Also published as: CN111603682A

Abstract

An improved generation ear vagus nerve stimulator, including host computer and ear electrode, the host computer is connected with the first wire, the ear electrode is connected with the second wire; the device also comprises a pair of male and female plug terminals, one of which is connected with the first lead and the other of which is connected with the second lead, so as to form pluggable connection between the host and the ear electrode; the ear electrode comprises an earplug electrode and an auricle electrode, and the second lead is connected with the earplug electrode through the earplug lead and connected with the auricle electrode through the auricle lead; the auricle electrode is provided with a T-shaped electrode body, the tail part of the auricle electrode body is provided with a through hole, and the end part of the auricle wire is bent after passing through the through hole and is welded and fixed with the tail part of the electrode body. The ear electrode is convenient to replace, and the use cost of a user can be reduced. The electrode body of the auricle electrode and the welding end of the lead can be prevented from breaking and falling off, the performances of ageing resistance, corrosion resistance, high temperature resistance, oxidation resistance and the like of the surface of the electrode body are improved, and the electrode has the positive advantages of improving the overall performance of the auricle electrode and prolonging the service life and the treatment effect of the electrode.

Description

Improved ear vagus nerve stimulator

Technical Field

The invention relates to an electric needle therapy instrument for medical use or health care, in particular to an improved ear vagus nerve stimulator.

Background

Clinical verification shows that the nerve electric stimulation therapy combining the electronic technology and the traditional acupuncture and moxibustion meridian theory has curative effect on nerve dysfunction diseases. The vagus nerve innervates the sensory and motor and gland secretion of the vast majority of organs and hearts of the respiratory system and the digestive system, carries out electric stimulation on the vagus nerve, and has good auxiliary treatment effects on epilepsy, diabetes, insomnia, depression and the like. The auricle branch in the cervical branch of the vagus nerve contains general somatosensory fibers which are sent from the upper ganglion and are distributed outside behind the auricle and on the skin of the external auditory canal, and referring to fig. 1, the position A (auricle opening) and the position B (auricle part) are ear acupuncture points of the vagus nerve, and the vagus nerve endings are rich, so that the effect of nerve electric stimulation treatment can be achieved by carrying out electric stimulation on the acupuncture points at A, B.

In the prior art, the vagus nerve stimulating instrument is generally composed of a main machine and an ear electrode. The ear electrode is a special electrode of the vagus nerve stimulator for performing acupuncture point electric stimulation at the ear A, B, and comprises an earplug electrode for stimulating the ear A and an auricle electrode for stimulating the ear B, wherein the design form and performance directly influence the use effect. The existing ear electrode is found to have the following defects in the using process:

1. when the ear electrode is damaged, the main machine part is directly connected with the ear electrode through a lead, so that the main machine part and the lead are not detachable or difficult to detach, the common user cannot automatically replace the ear electrode, the product is usually scrapped completely, the product needs to be replaced completely, and the use cost of the user is increased;

2. in the use process, the elastic arm of the ear electrode, which is connected with the ear plug electrode, can be bent frequently, so that the welding end of the electrode body of the ear electrode and the lead is easy to break and fall off, thereby influencing the actual use performance and the treatment effect of the ear electrode;

3. during the marketing period of the product, the problems that the nerve electrical stimulation intensity is weakened, the nerve electrical stimulation is not output, the electrode head is invalid and the like are continuously caused after the user feedback is used for a period of time, and the problem that the user or the patient cannot meet the treatment requirement or has a very small treatment effect due to the fact that the internal electrode is oxidized after the product is disassembled.

Therefore, how to solve the above-mentioned drawbacks of the prior art is a subject to be studied and solved by the present invention.

Disclosure of Invention

The invention aims to provide an improved ear vagus nerve stimulator.

In order to achieve the above purpose, the invention adopts the following technical scheme:

an improved generation ear vagus nerve stimulator, including host computer and ear electrode, the said host computer is connected with a first wire electrically, the said ear electrode is connected with a second wire electrically;

the device also comprises a pair of male and female plug terminals, one of the two terminals is connected with the end part of the first lead, the other terminal is connected with the end part of the second lead, and the host and the ear electrode are electrically connected in a pluggable manner through the pair of male and female plug terminals;

the ear electrode comprises an earplug electrode and an auricle electrode, and the second lead is electrically connected with the earplug electrode through an earplug lead and is electrically connected with the auricle electrode through an auricle lead;

the earplug electrode is provided with a cylindrical electrode body;

the auricle electrode is provided with a T-shaped electrode body, and the tail width of the auricle electrode is smaller than the head width; the tail part of the T-shaped electrode body is provided with a through hole, and the end part of the auricle wire penetrates through the through hole and is bent and welded and fixed with the tail part of the T-shaped electrode body;

the earplug electrode and the electrode body of the auricle electrode are both copper bodies, and the surface treatment process comprises the following steps:

firstly, passivating the surface of an electrode body;

firstly, soaking an electrode body in hydrochloric acid cleaning solution for 10-15 minutes, wherein the concentration of hydrochloric acid in the hydrochloric acid cleaning solution is 10-20%, and the passivation treatment is carried out at the environmental temperature of 28-35 ℃;

then the surface of the electrode body is treated by a special corrosion inhibitor for copper materials;

step two, carrying out nickel plating treatment on the surface of the electrode body;

the parameter requirements of nickel plating include:

operating ambient temperature: 28-35 ℃;

environmental cleanliness rating: not lower than 10 ten thousand grades;

plating solution temperature: 60-65 ℃;

plating solution concentration: 100-200 g/l;

boric acid concentration in plating solution: 45g/l to 50g/l;

sulfamic acid control value: 4.0-4.5;

the weak electrolysis voltage is 0.5-2V, and the current intensity is 0.2+/-0.1A;

pH value: 3.5-4.0;

after nickel plating treatment, the thickness of the nickel layer on the surface of the electrode body is 6-10 um.

The relevant content explanation in the technical scheme is as follows:

1. in the scheme, the female connector terminal consists of a female connector terminal insert, a connecting wire and a female connector rubber coating structure; the female first inserts of connector terminal are the female head of dipolar connector, and connecting wire one end passes through after welding as an organic wholely with the female first inserts of connector terminal female head rubber coating structure insulating seal, and the surface of this female first rubber coating structure is equipped with anti-skidding groove.

2. In the scheme, the male plug of the plug-in terminal consists of a male plug insert of the plug-in terminal, a connecting wire and a male plug rubber coating structure; the male plug inserts of the plug terminals are the male plug of the diode plug, one end of the connecting wire and the male plug inserts of the plug terminals are welded into a whole and then are sealed in an insulating way through the male plug rubber coating structure, and the outer surface of the male plug rubber coating structure is provided with an anti-skid groove.

3. In the scheme, after the second step is completed, the thickness of the nickel layer on the surface of the electrode body is detected by using an X-RAY film thickness detector.

4. In the above scheme, the method further comprises: and thirdly, carrying out surface conductive silica gel injection molding on the electrode body subjected to nickel plating treatment, so that the surface of the electrode body is completely wrapped by the conductive silica gel.

The working principle and the advantages of the invention are as follows:

the invention relates to an improved ear vagus nerve stimulator, which comprises a host and an ear electrode, wherein the host is connected with a first lead, and the ear electrode is connected with a second lead; the device also comprises a pair of male and female plug terminals, one of which is connected with the first lead and the other of which is connected with the second lead, so as to form pluggable connection between the host and the ear electrode; the ear electrode comprises an earplug electrode and an auricle electrode, and the second lead is connected with the earplug electrode through the earplug lead and connected with the auricle electrode through the auricle lead; the auricle electrode is provided with a T-shaped electrode body, the tail part of the auricle electrode body is provided with a through hole, and the end part of the auricle wire is bent after passing through the through hole and is welded and fixed with the tail part of the electrode body.

The surface treatment process of the electrode body comprises the following steps: 1. passivating the surface of the electrode body; firstly, soaking an electrode body in hydrochloric acid cleaning solution, wherein the concentration of hydrochloric acid in the hydrochloric acid cleaning solution is 10-20%, and the electrode body is carried out at an environmental temperature of not more than 35 ℃; then the surface of the electrode body is treated by a special corrosion inhibitor for copper materials; 2. performing nickel plating treatment on the surface of the electrode body; the parameter requirements of nickel plating include: the operating environment temperature is 28-35 ℃; the environmental cleanliness class is not lower than 10 ten thousand; the temperature of the plating solution is 60-65 ℃; the concentration of the plating solution is 100-200 g/l; the concentration of boric acid in the plating solution is 45-50 g/l; the sulfamic acid control value is 4.0-4.5; the weak electrolysis voltage is 0.5-2V, and the current intensity is 0.2+/-0.1A; pH value: 3.5-4.0; after nickel plating treatment, the thickness of the nickel layer on the surface of the electrode body is 6-10 um.

Compared with the prior art, the invention has the following advantages:

1. through the pluggable design of the male and female plug terminals, the main machine and the ear electrode can be separated into two components, if the ear electrode is damaged, an ordinary user can conveniently separate the ear electrode from the main machine, so that the ear electrode can be automatically replaced, and the replacement of the main machine (the price of the main machine is higher) is avoided, so that the portable electronic device has the advantage of convenience in replacement, and the use cost of the user can be reduced.

2. Through punching on the auricle electrode body of the ear electrode to directly wear to locate in this through-hole and buckle winding back welding with corresponding wire, thereby realized reliability and the stability of auricle wire and electrode body electric connection, avoided electrode body and wire welded end fracture, the problem that drops because of the elastic arm often buckles and lead to, thereby guaranteed the actual performance and the treatment of auricle electrode.

3. The invention ensures the pulse output intensity and conductivity of the electrode body and the connection reliability of the electrode body and the wire after welding through a special surface treatment process.

4. The electrode body is directly contacted with the conductive silica gel and the external environment, and is indirectly contacted with the nickel plating layer through the surface, so that the good conductive stability and the use reliability of the electrode body are ensured, the oxidation resistance and the corrosion resistance of the ear electrode are improved, and the generation of the verdigris due to oxidation reaction after long-time use is prevented.

In conclusion, the invention has the advantage of convenient ear electrode replacement and can reduce the use cost of users. The electrode body of the auricle electrode and the welding end of the lead can be prevented from breaking and falling off, and the actual use performance and the treatment effect of the auricle electrode are ensured. Meanwhile, the invention carries out special processing treatment on the surface of the electrode on the premise of ensuring good pulse conductivity, welding performance and strength output effectiveness of the internal electrode, thereby improving the performances of aging resistance, corrosion resistance, high temperature resistance, oxidation resistance and the like of the surface of the electrode body, and having the positive advantages of improving the overall performance of the ear electrode and prolonging the service life and the treatment effect of the electrode.

Drawings

FIG. 1 is a schematic diagram of the shape of a human ear and the vagus nerve acupoint;

FIG. 2 is a schematic diagram of the present invention when the host is connected to the ear electrode;

FIG. 3 is a schematic diagram of the present invention with the host and ear electrodes separated;

FIG. 4 is an exploded view of the female connector terminal of the present invention;

FIG. 5 is an exploded view of the male connector terminal of the present invention;

FIG. 6 is a cross-sectional view of an ear electrode of the present invention;

FIG. 7 is a schematic illustration of a middle ear profile electrode of the ear electrode of the present invention;

fig. 8 is a schematic view of a ear plug electrode of the present invention.

In the above figures: 1. a host; 2. ear electrodes; 3. a second wire; 4. a first wire; 5. inserting a male terminal; 6. inserting a terminal mother head; 7. inserting a terminal female head insert; 8. a first connecting line; 9. a female head encapsulation structure; 10. an anti-skid groove; 11. inserting a male plug insert of the terminal; 12. a second connecting line; 13. a male head rubber coating structure; 14. earplug electrodes; 15. auricle electrodes; 16. earplug leads; 17. auricle lead; a t-shaped electrode body; 19. a through hole; 20. conductive silica gel; 21. a cylindrical electrode body.

Detailed Description

The invention is further described below with reference to the accompanying drawings and examples:

examples: the present invention will be described in detail with reference to the drawings, wherein modifications and variations are possible in light of the teachings of the present invention, without departing from the spirit and scope of the present invention, as will be apparent to those of skill in the art upon understanding the embodiments of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. Singular forms such as "a," "an," "the," and "the" are intended to include the plural forms as well, as used herein.

The terms "first," "second," and the like, as used herein, do not denote a particular order or sequence, nor are they intended to be limiting, but rather are merely used to distinguish one element or operation from another in the same technical term.

As used herein, "connected" or "positioned" may refer to two or more components or devices in physical contact with each other, or indirectly, or in operation or action with each other.

As used herein, the terms "comprising," "including," "having," and the like are intended to be open-ended terms, meaning including, but not limited to.

The term (terms) as used herein generally has the ordinary meaning of each term as used in this field, in this disclosure, and in the special context, unless otherwise noted. Certain terms used to describe the present disclosure are discussed below, or elsewhere in this specification, to provide additional guidance to those skilled in the art in connection with the description herein.

Referring to fig. 2 and 3, an improved ear vagus nerve stimulator comprises a main unit 1 and an ear electrode 2, wherein the main unit 1 is electrically connected with a first lead 4, and the ear electrode 2 is electrically connected with a second lead 3.

The device also comprises a pair of male and female plug terminals, one of which is connected with the end part of the first lead 4, and the other of which is connected with the end part of the second lead 3, so that the host 1 and the ear electrode 2 are electrically connected in a pluggable manner through the pair of male and female plug terminals; the connection and conduction between the host 1 and the ear electrode 2 are realized by inserting the male plug 5 into the female plug 6.

As shown in fig. 4, the female connector terminal 6 is composed of a female connector terminal insert 7, a first connecting wire 8 and a female connector encapsulation structure 9; the female first inserts 7 of plug-in terminal are the female head of dipolar connector, and first connecting wire 8 one end passes through after welding as an organic wholely with the female first inserts 7 of plug-in terminal female head rubber coating structure 9 insulating seal, and the surface of this female first rubber coating structure 9 is equipped with anti-skidding groove 10, makes things convenient for the user to pull out the plug.

As shown in fig. 5, the male connector 5 is composed of a male connector insert 11, a second connecting wire 12 and a male connector encapsulation structure 13; the male plug insert 11 of the plug terminal is a male plug of the diode plug insert, one end of the second connecting wire 12 is welded with the male plug insert 11 of the plug terminal into a whole and then is insulated and sealed by the male plug encapsulation structure 13, and the outer surface of the male plug encapsulation structure 13 is also provided with an anti-skid groove 10, so that a user can conveniently plug.

As shown in fig. 6 and 7, the ear electrode 2 includes an ear plug electrode 14 and an auricle electrode 15, and the second conductive wire 3 is electrically connected to the ear plug electrode 14 through an ear plug conductive wire 16 and is electrically connected to the auricle electrode 15 through an auricle conductive wire 17.

As shown in fig. 8, the earplug electrode 14 has a cylindrical electrode body 21;

the auricle electrode 15 is provided with a T-shaped electrode body 18, and the tail width of the auricle electrode body is smaller than the head width; the tail of the T-shaped electrode body 18 is provided with a through hole 19, and the end part of the auricle wire 17 passes through the through hole 19 and is bent and fixed with the tail of the T-shaped electrode body 18 by ultrasonic welding.

Wherein, the cylindrical electrode body 21 of the earplug electrode 14 and the T-shaped electrode body 18 of the auricle electrode 15 are both copper bodies, and the surface treatment process comprises the following steps:

firstly, passivating the surface of an electrode body;

firstly, soaking an electrode body in hydrochloric acid cleaning solution for 10-15 minutes, wherein the concentration of hydrochloric acid in the hydrochloric acid cleaning solution is 10-20%, and the passivation treatment is carried out at the environmental temperature of 28-35 ℃; ultrasonic treatment can be carried out while soaking, so that oil stains, impurities and the like on the surface of the electrode body are effectively removed.

And then the surface of the electrode body is treated by a special corrosion inhibitor for copper materials, so that the electrode body can keep a matrix of the copper materials from being corroded. The choice of corrosion inhibitor for copper is prior art and will not be described in detail herein.

Through the passivation treatment in the first step, the effect of rapidly removing oxides on the surface after copper processing and not damaging the copper matrix is achieved, so that the performance of the electrode body cannot be changed in appearance, color and size, conduction and welding are not affected, and the original performance of the electrode body can be kept when the copper is completely exposed in the air.

And secondly, carrying out nickel plating treatment on the surface of the electrode body, and protecting the surface under the aim of ensuring good conductivity of the electrode body.

Wherein the parameter requirements of nickel plating include:

operating ambient temperature: 28-35 ℃;

environmental cleanliness rating: not lower than 10 ten thousand grades;

plating solution temperature: 60-65 ℃;

plating solution concentration: 100-200 g/l; (i.e., concentration of Nickel ions)

Boric acid concentration in plating solution: 45-50 g/l;

sulfamic acid control value: 4.0-4.5;

pH value: 3.5-4.0;

Then, an X-RAY film thickness detector is used for detecting the thickness of the nickel layer on the surface of the electrode body, and defective products are removed.

And thirdly, carrying out injection molding on the surface conductive silica gel 20 on the electrode body subjected to nickel plating treatment, so that the surface of the electrode body is completely wrapped by the conductive silica gel 20.

The invention has the advantage of convenient replacement of the ear electrode, and can reduce the use cost of users. The electrode body of the auricle electrode and the welding end of the lead can be prevented from breaking and falling off, and the actual use performance and the treatment effect of the auricle electrode are ensured. Meanwhile, the invention carries out special processing treatment on the surface of the electrode on the premise of ensuring good pulse conductivity, welding performance and strength output effectiveness of the internal electrode, thereby improving the performances of aging resistance, corrosion resistance, high temperature resistance, oxidation resistance and the like of the surface of the electrode body, and having the positive advantages of improving the overall performance of the ear electrode and prolonging the service life and the treatment effect of the electrode.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. An improved generation ear vagus nerve stimulation appearance, includes host computer and ear electrode, its characterized in that:

the host is electrically connected with a first lead, and the ear electrode is electrically connected with a second lead;

the earplug electrode is provided with a cylindrical electrode body;

the plug terminal female head consists of a plug terminal female head insert, a connecting wire and a female head rubber coating structure; the female head insert of the plug terminal is a female head of a diode plug connector, one end of the connecting wire is welded with the female head insert of the plug terminal into a whole and then is insulated and sealed through the rubber coating structure of the female head, and the outer surface of the rubber coating structure of the female head is provided with an anti-skid groove;

the male plug of the plug-in terminal consists of a male plug insert of the plug-in terminal, a connecting wire and a male plug rubber coating structure; the male plug insert of the plug terminal is a male plug of the diode plug, one end of the connecting wire and the male plug insert of the plug terminal are welded into a whole and then are insulated and sealed through the male plug rubber coating structure, and an anti-skid groove is arranged on the outer surface of the male plug rubber coating structure;

firstly, passivating the surface of an electrode body, namely removing oxides on the surface of the processed copper on the premise of not damaging a matrix of a copper material;

firstly, soaking an electrode body in hydrochloric acid cleaning solution for 10-15 minutes, wherein the concentration of hydrochloric acid in the hydrochloric acid cleaning solution is 10-20%, and the passivation treatment is carried out at the environmental temperature of 28-35 ℃; ultrasonic treatment is carried out while soaking, so as to remove greasy dirt and impurities on the surface of the electrode body;

secondly, carrying out nickel plating treatment on the surface of the electrode body, and ensuring good conductivity of the electrode body through surface protection treatment;

the parameter requirements of nickel plating include:

operating ambient temperature: 28-35 ℃;

environmental cleanliness rating: not lower than 10 ten thousand grades;

plating solution temperature: 60-65 ℃;

plating solution concentration: 100-200 g/l;

boric acid concentration in plating solution: 45g/l to 50g/l;

sulfamic acid control value: 4.0-4.5;

pH value: 3.5-4.0;

after nickel plating treatment, the thickness of a nickel layer on the surface of the electrode body is 6-10 um;

after the second step is completed, detecting the thickness of the nickel layer on the surface of the electrode body by using an X-RAY film thickness detector, and removing defective products;

and thirdly, carrying out surface conductive silica gel injection molding on the electrode body subjected to nickel plating treatment, so that the surface of the electrode body is completely wrapped by the conductive silica gel.